full_name = "\tTim Berners-Lee\n"
print(full_name)
print(full_name.lstrip())  #lstrip()表示剔除字符串开头空格
print(full_name.rstrip())  #rstrip()表示剔除字符串末尾空格
print(full_name.strip())   #strip()表示剔除字符串两端空格
